Year	Number
1960	638892
1961	662859
1962	687789
1963	713690
1964	740637
1965	768559
1966	797612
1967	827801
1968	859219
1969	891779
1970	922299
1971	949762
1972	978085
1973	1007173
1974	1037170.0000000001
1975	1068063
1976	1099922
1977	1132642
1978	1166385
1979	1192209
1980	1207663
1981	1223286
1982	1239145
1983	1255220
1984	1271539
1985	1288036
1986	1304784
1987	1321761
1988	1338995
1989	1353066
1990	1363457
1991	1373959
1992	1384589
1993	1395305
1994	1406151
1995	1417114
1996	1428214
1997	1439403
1998	1450731
1999	1476838
2000	1530898
2001	1588296
2002	1649562
2003	1714948
2004	1770372
2005	1812942
2006	1856705
2007	1901634
2008	1947829
2009	2006163
2010	2088319
2011	2174213
2012	2264160
2013	2357977
2014	2456255
2015	2559086
2016	2666854
2017	2779349
2018	2897118
2019	2980430
2020	3061725
2021	3139412
2022	3211914
2023	3278581